dataclasses

• A new utility in Python 3.7. Like normal classess in Python, but have some basic funcs like instantiation, comparing, printing.
• Used to create classes that are purely config/container (ie.e, to store data), rather than classes to simulate logic/behaviors.
• Can make classess less wordy. See above link for an example.
• field is a func within dataclasses, to control attributes of a class.